影片改编自《锅匠，裁缝，士兵，间谍》作者约翰·勒·卡雷的小说。故事发生在当代的德国汉堡。一名神秘男子来到当地的穆斯林社区寻求帮助。此人有着一半车臣和一半俄罗斯血统，身上受了很严重的伤。他来到这里的目的

A masked singer that also robs banks is interrogated, during the interrogation shows how he became w